• Plans: Black Grasp of the Destroyer
• Item Level 70Disenchants into:
  Not disenchantable
• Requires Blacksmithing (300)
• Use: Teaches you how to make the Black Grasp of the Destroyer.
• [Black Grasp of the Destroyer]
• Requires 8x[Large Obsidian Shard], 24x[Small Obsidian Shard], 8x[Enchanted Leather], 1x[Flask of Supreme Power]
• 1 Charges
• Sell Price: 1 25

Source

This item drops from Moam in the Ruins of Ahn'Qiraj.

Patches and hotfixes

Patch 1.9.0 (03-Jan-2006): Added 

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB